BACKGROUND: Free tissue transfer is a mainstay in reconstruction of complex head and neck defects. The purpose of this study was to determine if perioperative complications were more common in patients with body mass index (BMI) >30 kg/m(2) undergoing free flap reconstruction. METHODS: A multi-institutional retrospective cohort was created. Medical complications, surgical complications, and procedural variables were recorded. Logistic regression was used to investigate univariate and multivariate associations between outcomes and predictors. RESULTS: Of 582 cases, 128 patients (22%) had BMI >30. Surgical complications occurred in 153 cases (26.3%), with an adjusted odds ratio (OR) for association of surgical complications with BMI >30 of 0.92 (p = .71). Medical complications occurred in 178 cases (30.6%), with an adjusted OR of 0.78 (p = .26). Age and advanced comorbidity status (Adult Comorbidity Evaluation-27 [ACE-27] 2 or 3) were associated with medical complications (p < .0001). CONCLUSION: BMI >30 does not predict medical or surgical complications in patients undergoing head and neck free flap surgery.
BACKGROUND: Free tissue transfer is a mainstay in reconstruction of complex head and neck defects. The purpose of this study was to determine if perioperative complications were more common in patients with body mass index (BMI) >30 kg/m(2) undergoing free flap reconstruction. METHODS: A multi-institutional retrospective cohort was created. Medical complications, surgical complications, and procedural variables were recorded. Logistic regression was used to investigate univariate and multivariate associations between outcomes and predictors. RESULTS: Of 582 cases, 128 patients (22%) had BMI >30. Surgical complications occurred in 153 cases (26.3%), with an adjusted odds ratio (OR) for association of surgical complications with BMI >30 of 0.92 (p = .71). Medical complications occurred in 178 cases (30.6%), with an adjusted OR of 0.78 (p = .26). Age and advanced comorbidity status (Adult Comorbidity Evaluation-27 [ACE-27] 2 or 3) were associated with medical complications (p < .0001). CONCLUSION: BMI >30 does not predict medical or surgical complications in patients undergoing head and neck free flap surgery.
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